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a current of 8 A flows in a metallic conductor of cross section 1 cm^2 and length 10 km. Free electron density of copper is 5*10^28 /m^3. the time taken by the electron to travel from one end of the conductor to the other is a-10^8 s b-10^9 s c-10^7 s d-10^5 s |
| Answer» a current of 8 A flows in a metallic conductor of cross section 1 cm^2 and length 10 km. Free electron density of copper is 5*10^28 /m^3. the time taken by the electron to travel from one end of the conductor to the other is a-10^8 s b-10^9 s c-10^7 s d-10^5 s | |